A switch for a belt buckle of a seatbelt device including at least two contact elements (4, 5) abutting on each other or reaching into abutment on each other in a cavity of the switch, wherein at least one of the contact elements (4, 5) is configured as a movable contact spring. An insertion channel
A switch for a belt buckle of a seatbelt device including at least two contact elements (4, 5) abutting on each other or reaching into abutment on each other in a cavity of the switch, wherein at least one of the contact elements (4, 5) is configured as a movable contact spring. An insertion channel (8) is provided into which a belt tongue, a locking part, an ejector (7) or a part movably coupled with one of these parts is insertable and removable at least with a section during the locking and unlocking movement of the belt tongue. A movably supported coupling member (3) protrudes with a first section (10) into the insertion channel (8) and includes a second section (11) associated with the contact spring. The movably supported coupling member (3) abuts via the second section (11) on the contact spring in a position-independent manner.
대표청구항▼
1. A switch for a belt buckle of a seatbelt device, the belt buckle receiving a belt tongue, the switch comprising; at least two contact elements abutting on each other or reaching into abutment on each other in a cavity of the switch, wherein at least one of the contact elements is configured as a
1. A switch for a belt buckle of a seatbelt device, the belt buckle receiving a belt tongue, the switch comprising; at least two contact elements abutting on each other or reaching into abutment on each other in a cavity of the switch, wherein at least one of the contact elements is configured as a movable contact spring,an insertion channel into which a portion of one or more of the belt tongue, a locking part, and an ejector is insertable into the belt buckle during a locking movement and removed from the belt buckle during an unlocking movement of the belt tongue,a movably supported coupling member, which protrudes with a first section into the insertion channel and includes a second section coupled with the contact spring, and the movably supported coupling member second section abuts the contact spring,wherein the coupling member and the contact spring are movably guided with respect to each other by an interlocking engagement for preventing a slippage of the contact spring from the coupling member. 2. A switch according to claim 1, further comprising; a groove in the contact spring and a projection of the coupling member which projection engages in the groove to provide the movable guidance. 3. A switch according to claim 2, further comprising; the coupling member is pivotably supported and the contact spring is disposed with respect to the coupling member such that the groove is oriented with a longitudinal direction perpendicular to the pivot axis of the coupling member. 4. A switch according to claim 1 further comprising; in a position wherein the coupling member first section protrudes into the insertion channel the contact elements abutting on each other, andthe coupling member is fixed in the position in at least one direction by an abutment on the contact spring and the abutting of the contact spring on the other contact element. 5. A switch according to claim 1 further comprising; the coupling member includes at least one bearing pin, via which the coupling member is pivotably supported about a pivot axis, andthe first and the second section extend radially outward with respect to the pivot axis. 6. A switch according to claim 5, further comprising; the first and the second section are disposed offset to each other in the longitudinal direction of the bearing pin. 7. A switch according to claim 5, further comprising; a first distance between a contact point on which a part of the ejector insertable into the insertion channel comes into abutment on the first section and the pivot axis is larger than a second distance between a contact point on which the contact spring abuts on the second section and the pivot axis of the coupling member. 8. A switch according to claim 1 further comprising: wherein the movable contact spring forms an open electrical circuit in the locking movement of the belt buckle. 9. A switch according to claim 1 further comprising: wherein the belt tongue is inserted and removed from the insertion channel in the locking and the unlocking movements. 10. A switch for a belt buckle of a seatbelt device, the belt buckle receiving a belt tongue, the switch comprising: at least two contact elements abutting on each other or reaching into abutment on each other in a cavity of the switch, wherein at least one of the contact elements is configured as a movable contact spring,an insertion channel into which a portion of one or more of the belt tongue, a locking part, and an ejector is insertable into the belt buckle during a locking movement and removed from the belt buckle during an unlocking movement of the belt tongue, anda movably supported coupling member, which protrudes with a first section into the insertion channel and includes a second section coupled with the contact spring, and the movably supported coupling member second section abuts the contact spring,wherein the coupling member and the contact spring are movably guided with respect to each other by an interlocking engagement, andwherein a groove in the contact spring and a projection of the coupling member which projection engages in the groove to provide the movable guidance.
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이 특허에 인용된 특허 (2)
Loomba Yogendra Singh (Washington MI), Seat belt buckle switch assembly having self cleaning contacts.
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